Coarse aggregates - Study guides, Class notes & Summaries

ACI Concrete Field Testing Technician Test Exam latest 2024 Q&A The total time allowed between obtaining the first and final portions of a composite sample is - CORRECT ANSWER-15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - CORRECT ANSWER-F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - COR...

ACI Test 100% Correctly Solved 2024 The total time allowed between obtaining the first and final portions of a composite sample is - Answer- 15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer- F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - Answer- 5 minutes Begin molding test specimens wi...

ACI Test 100% Solved 2024 The total time allowed between obtaining the first and final portions of a composite sample is - Answer-15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer-F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - Answer-5 minutes Begin molding test specimens within ______ m...

ACI Test- 100% Correctly Answered 2024 The total time allowed between obtaining the first and final portions of a composite sample is -Answer-15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer-F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample -Answer-5 minutes Begin molding test specimens with...

The total time allowed between obtaining the first and final portions of a composite sample is - Answer- 15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer-F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - Answer-5 minutes Begin molding test specimens within ______ minutes after obtaining the ...

ACI Certification Exam Questions With Correct Answers Latest Updated 2024/2025 | Graded A+. When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations.Answer - False 4. T/F: Samples smaller than 28L (1 .) are allowed on routine air content, temperature, and slump tests.Answer - True 7. How do you regulate the rate of discharge of the batch from the revolving truck drum mixer or agitator?Answe...

ACI Test Questions and Answers | Verified & Updated 2024 The total time allowed between obtaining the first and final portions of a composite sample is - Answer ️️ -15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer ️️ -F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - Answer ️️ -5...

Basic Requirements for Placing Concrete Perserve Concrete Quality - Water-cement ratio - Slump - Air-content - Homogeneity Avoid Separation of aggregate and mortar Avoid Excess horizontal movement Consolidate adequately Preparation before placing includes - Trimming - Moistening - Compacting Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Depositing Concrete DO NOT - disturb saturated subgra...

ACI Aggregate Testing Technician - Level 1 - Section 2 Exam Questions and Answers 100% Pass AASHTO T 248 / ASTM C702 Unless the procedures recommended here are carried out precisely, a ____ sample can result. - Answer-Nonrepresentative AASHTO T 248 / ASTM C702 Generally speaking, small samples are most representative of the total supply. True or False? - Answer-False; large samples are more representative AASHTO T 248 / ASTM C702 There are some instances in which ____ between the test s...

ACI Test 100% Correctly Solved 2024 The total time allowed between obtaining the first and final portions of a composite sample is - Answer- 15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer- F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - Answer- 5 minutes Begin molding test specimens wi...